Fitbit Zip vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Xiaomi Mi Band 4

 
Zip
SmartBand 2
ZenWatch 3
Flex
Mi Band 4
 FitbitZipRemove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$60$130$229$100$25
Release20122015201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months2 days48 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400NA120x240
Sizen/an/a1.39 inchesNA0.95 inches
Touchn/aNA
Typen/an/aAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash ResistantIP581 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NAAMAZFIT OS
Apps
Music

All Wearables